When he returned to the U. To do it, Muybridge hung a white sheet, painted walls at the track white, and spread white marble dust and lime on the ground, Phototraph the dark-colored horse would pop against the backdrop. Mah Jong Quest. Featured: Innovation Nation. Travel Virtual Travel. Curators' Corner. But Muybridge's family life was strained. History Archaeology. Ask Smithsonian. Address 2.